Interactive Post-It Art on Flickr and Youtube

I found a really neat interactive Post-It art piece on Flickr. This would be so wonderful and creative to do with students. They would love it. I bet it would be an assignment they would do on a Friday night-

The artist Kimmychau on flickr seems to have written notes about people he knows- analyzing their personalities, and then used the comment-editing option to make them web 2.0.